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24,000 lb/hr of 35API distillate is cooled from 400 to 300F by 50,000 lb/hr of 34API erude oil heated from an inlet temperature of

 

24,000 lb/hr of 35API distillate is cooled from 400 to 300F by 50,000 lb/hr of 34API erude oil heated from an inlet temperature of 250F. Pressure drops of 10 psi are allowable, and a dirt factor of 0.006 is required. Using 20-ft hairpins of 4- by 3-in. IPS (a) how many are required, (b) how shall they be arranged, and (c) what is the final fouling factor? solve using matlab

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